Home / 436,272.56-654,423.42-120,703.04

Finding the Fourth Proportional to 436,272.56, 654,423.42 and 120,703.04

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Solution

The fourth proportional to 436,272.56, 654,423.42 and 120,703.04 is: 181,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,272.56 : 654,423.42 = 120,703.04 : x
  2. Step 2: Convert to fraction form
    436,272.56/654,423.42 = 120,703.04/x
  3. Step 3: Cross multiply
    436,272.56x = 654,423.42 × 120,703.04
  4. Step 4: Simplify right side
    436,272.56x = 78,990,896,241.20
  5. Step 5: Solve for x
    x = 78,990,896,241.20/436,272.56
  6. Step 6: Final answer
    x = 181,058.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.